Eremitis afimbriata

HABIT Perennial; caespitose. Rhizomes elongated. Culms erect, or decumbent; 90–121(–136) cm long; 2.2–3.8(–4) mm diam. Culm-internodes striate; scaberulous. Culm-nodes glabrous. Leaves 11–18 per branch. Leaf-sheaths keeled; smooth, or scaberulous; glabrous on surface, or pilose; outer margin hairy. Leaf-sheath oral hairs lacking. Ligule an eciliate membrane; 1.5–2 mm long; bilobed. Leaf-blade base symmetrical, or asymmetrical; with a brief petiole-like connection to sheath; petiole 0.2–0.35 cm long. Leaf-blades lanceolate; 12–18 cm long; (27–)30–40(–48) mm wide; mid-green, or glaucous and purple; discolorous with last colour beneath. Leaf-blade surface smooth, or scabrous; rough adaxially, or abaxially; puberulous. Leaf-blade margins scabrous.

INFLORESCENCE Monoecious; with male and female spikelets in the same inflorescence. Inflorescence composed of racemes; subtended by an inflated leaf-sheath; enclosed.

Racemes 1; single; multilateral; 2.2–3.5 cm long; bearing few fertile spikelets; bearing 1 fertile spikelets on each. Rhachis fragile at the nodes; terminating in a barren extension; extension 13–15 mm long.

Sexes segregated; on bisexual branches; with male below. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Male spikelets pedicelled; 5 in a cluster. Involucre composed of imperfect spikelets; with pedicels forming a long tube; linear; 15–18 mm long. Pedicels fused to each other; united along margins; linear; flattened; (6–)8–11(–13) mm long; glabrous, or puberulous.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; 13–15 mm long; 2.5–3.2 mm wide; falling entire; deciduous with accessory branch structures.

GLUMES Glumes similar; thinner than fertile lemma. Lower glume linear, or lanceolate; 10–12 mm long; hyaline, or membranous; 1–2 -veined. Lower glume surface glabrous, or puberulous. Lower glume apex acute. Upper glume lanceolate, or oblong.

FLORETS Fertile florets female. Fertile lemma lanceolate, or oblong; 13–15 mm long; 3–4 mm wide; cartilaginous; 12 -veined. Lemma surface smooth, or scaberulous; rough above. Lemma apex acuminate. Palea lanceolate; 14–15 mm long; cartilaginous; 8 -veined. Palea surface smooth, or scaberulous.

FLOWER Anthers 2; 1–1.8 mm long. Filaments united in a tube.

FRUIT Caryopsis with adherent pericarp; oblong; 10–11 mm long; dark brown. Hilum linear; 1 length of caryopsis.

MALE Male spikelets elliptic, or oblong; (4–)5–6 mm long. Male spikelet glumes 1; 1–3 -veined. Male spikelet lemma (4–)5–6 mm long; 1–3 -veined.

CLEISTOGENES AND VIVIPARY Cleistogenes present; underground.

DISTRIBUTION South America: Brazil.

NOTES Parianeae. Ferreira & Oliveira 2013. Eremitis magnifica

HABIT Perennial; caespitose. Rhizomes elongated. Culms erect, or decumbent; 70–109 cm long; (2.4–)3–4.6 mm diam. Culm-internodes striate; scaberulous. Culm-nodes glabrous, or pubescent. Leaves 6–9 per branch. Leaf-sheaths keeled; smooth, or scaberulous; outer margin hairy. Leaf-sheath oral hairs setose. Ligule a ciliolate membrane; (2.5–)3–4 mm long; bilobed. Leaf-blade base symmetrical; with a brief petiole-like connection to sheath; petiole (0.3–)0.4–0.6 cm long; petiole pilose. Leaf-blades lanceolate; (13.5–)15–22 cm long; 35–60 mm wide; mid-green; concolorous. Leaf-blade surface smooth, or scaberulous; rough on both sides. Leaf-blade apex acute, or acuminate.

INFLORESCENCE Monoecious; with male and female spikelets in the same inflorescence. Inflorescence composed of racemes; subtended by an inflated leaf-sheath; enclosed.

Racemes 1; single; multilateral; (2.5–)3.5–5.5 cm long; bearing few fertile spikelets; bearing 1 fertile spikelets on each. Rhachis fragile at the nodes; terminating in a barren extension; extension 10–15 mm long.

Sexes segregated; on bisexual branches; with male below. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Male spikelets pedicelled; 5 in a cluster. Involucre composed of imperfect spikelets; with pedicels forming a long tube; linear; 14–17 mm long. Pedicels fused to each other; united along margins; linear; flattened; (9.7–)11.6–12.5(–14.3) mm long; pubescent.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; (12–)13–15 mm long; 3.5–4.5 mm wide; falling entire; deciduous with accessory branch structures.

GLUMES Glumes similar; thinner than fertile lemma. Lower glume lanceolate, or elliptic; 7–10 mm long; membranous; 1–3 -veined. Lower glume surface glabrous, or puberulous; hairy at apex. Upper glume lanceolate, or oblong.

FLORETS Fertile florets female. Fertile lemma lanceolate, or oblong; 10–12 mm long; (2–)3.2–4.5 mm wide; cartilaginous; 10–16 -veined. Lemma apex acuminate.

FLOWER Anthers 2; 1.4–2 mm long. Filaments united in a tube.

FRUIT Caryopsis with adherent pericarp; oblong; 9–10 mm long; dark brown. Hilum linear; 1 length of caryopsis.

MALE Male spikelets oblong; 3–4(–5) mm long. Male spikelet glumes 1; 1–3 -veined. Male spikelet lemma 3–5 mm long; 1–3 -veined.

CLEISTOGENES AND VIVIPARY Cleistogenes present; underground.

DISTRIBUTION South America: Brazil.

NOTES Parianeae. Ferreira & Oliveira 2013. Eremitis parviflora

HABIT Perennial. Culms erect; 50–60 cm long. Leaf-sheath oral hairs setose; 8–20 mm long. Ligule a ciliolate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong; 9–15 cm long; 15–40 mm wide. Leaf-blade apex acuminate.

INFLORESCENCE Monoecious; with male and female spikelets in the same inflorescence. Inflorescence composed of racemes; enclosed.

Racemes 1; single; multilateral; 2.5 cm long; bearing few fertile spikelets; bearing 1 fertile spikelets on each. Rhachis fragile at the nodes.

Sexes mixed (in a cluster at each node). Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Male spikelets pedicelled; 5 in a cluster. Involucre composed of imperfect spikelets; with pedicels forming a long tube; linear; 2 mm long. Pedicels fused to each other; united along margins; linear; flattened; 14 mm long; tip rectangular.

STERILE SPIKELETS Basal sterile spikelets rudimentary; 1–2 in number.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets laterally compressed; compressed slightly; falling entire; deciduous with accessory branch structures.

GLUMES Glumes similar; thinner than fertile lemma. Lower glume linear. Upper glume linear.

FLORETS Fertile florets female.

FLOWER Lodicules 3. Anthers 2. Filaments united in a tube. Stigmas 2.

MALE Male spikelets deciduous with the fertile; 5 mm long.

CLEISTOGENES AND VIVIPARY Cleistogenes present; underground.

DISTRIBUTION South America: Brazil.

NOTES Parianeae. WDC.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.